Circular grate



FIG. 1 is a top perspective view of a circular grate;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof, the rear elevational view being a mirror image of the grate of FIG. 5; and,

FIG. 6 is a right side elevational view thereof, the left side elevational view being a mirror image of the circular grate of FIG. 6.

The broken lines depict portions of the circular grate that form no part of the claim. 

CLAIM I claim the ornamental design for a circular grate, as shown and described. 